Electrode grip and holder



Nov. 9, 1948.

I. M. MATSON ELECTRODE GRIP AND'HOLDER Filed May 15, 1946 INVENTOR.

flaw/ fi/H 6 o/v Patented Nov. 9, 1948 UNITED STATES PATENT OFFICE 1 Claim.

My invention relates to a holder for gripping and holding electrodes while same are being welded to the luminous tubes of lighting equipment, signs and the like, and the principal object of my invention is, to provide a simple, practical and inexpensive tool comprising a handle with a fixed jaw and an opposed spring pressed pivoted jaw on one end thereof, which jaws are arranged so as to receive and firmly grip an interposed electrode while same is being welded to a luminous tube.

A further object of my invention is to provide an electrode grip and holder of the character referred to, that may be conveniently used during the tube and electrode welding operation, with minimum danger of burning the users hand.

With the foregoing and other objects in view, my invention consists in certain novel features of construction and arrangement of parts which will be hereinafter more fully described and claimed and illustrated in the accompanying drawings, in which:

Fig. l is a side elevational view of an electrode holder embodying my invention.

Fig, 2 is a plan view of the holder.

Fig. 3 is a cross section taken on the line 33 of Fig. 1.

Fig. 4 is a cross section taken on the line 4-4 of-Fig. 1.

Fig. 5 is a cross section taken on the line 5-5 of Fig. 1.

Fig. 6 is a fragmentary section taken on the line 6-6 of Fig. 2.

Fig. 7 is a cross section similar to Fig. 3 and showing a. modified form of the jaws.

Fig. 8 is an elevational view showing a further modified form of the jaws.

Referring by numerals to the accompanying drawings which illustrate a preferred embodiment of my invention, I designates a handle of insulating material, preferably wood, and secured to the forward end thereof is the rear portion of a forwardly projecting jaw ll of metal, and which is substantially channel shape in cross section.

The movable jaw l2, which is substantially channel shaped in cross section, is arranged on the opposite side of handle from jaw II and is provided on its sides near its inner end with ears 13 that lie against the sides of said handle, with a pivot pin I4 passing through said ears and handle.

Arranged between the rear end portion of jaw I2 and handle 10 is an expansive coil spring I forward end of jaw l l and holding said electrode in a firm solid position during the welding operation.

In some instances, it may be found desirable to construct and arrange the jaws l and 12 so that those portions that project forwardly from the handle ID, are of equal length as shown in Fig. 3 and further, either one or both of the jaws may be substantially v-shape in cross section, as shown in Fig, 7, rather than channel or arcuate shape, as seen in Fig. 3.

In order to permit the forward portion of pivoted jaw I2 to move down and firmly grip the electrode against jaw H, the forward end of handle Ill beneath said pivoted jaw, is cut away as designated by I6, Fig. 6.

By using the holder, the rear end of jaw I2 is depressed, thereby moving the forward end of said jaw away from fixed jaw H and the electrode such as E is positioned on said fixed Jaw against the end of handle I 0, pressure on the rear end of jaw I2 is relieved and under the influence of spring I5, the forward end of said jaw l2 moves downward to press and grip the electrode against fixed jaw ll.

Thus the electrode is firmly engaged and held during the welding operation and as the users hand grips the handle 10 rearwardly from the electrode gripping jaws, the possibility of burning the hand during the welding function is minimized.

Thus it will be seen that I have provided an electrode holder that is simple in structure, inexpensive of manufacture and very effective in performing the functions for which it is intended.

Various changes in the size, form and construction of the various parts of my improved electrode may be made and substituted for those herein shown and described without departing from the spirit of the invention, the scope of which is set forth in the appended claim.

I claim as my invention:

An electrode grip and holder comprising a handle, a channel-shaped jaw secured to and projecting forwardly from said handle, an in verted channel-shaped jaw pivotally mounted on 4 REFERENCES CITED The following references are of record in the file of this patent:

5 UNITED STATES PATENTS Number Name Date 2,151,552 Jandos Mar. 21, 1939 2,174,809 Varner Oct. 3, 1939 2,179,108 Westberg Nov. 7, 1939 

